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authorWaldemar Brodkorb <wbx@openadk.org>2017-04-22 22:44:56 +0200
committerWaldemar Brodkorb <wbx@openadk.org>2017-04-22 22:44:56 +0200
commit4d466d8adaa02bd45c3d36cb910046c23c83a6f9 (patch)
treed86e6031b80f274c954275b2d241f79937cf3159 /libpthread/nptl/pthread_clock_gettime.c
parent41315bb358d6d2f82e4e2ca8a6cb08fe69f90d56 (diff)
remove unused HP_TIMING_AVAIL and header
cleanup unused and unsupported code.
Diffstat (limited to 'libpthread/nptl/pthread_clock_gettime.c')
-rw-r--r--libpthread/nptl/pthread_clock_gettime.c67
1 files changed, 0 insertions, 67 deletions
diff --git a/libpthread/nptl/pthread_clock_gettime.c b/libpthread/nptl/pthread_clock_gettime.c
deleted file mode 100644
index 35f8e8a05..000000000
--- a/libpthread/nptl/pthread_clock_gettime.c
+++ /dev/null
@@ -1,67 +0,0 @@
-/* Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public License as
- published by the Free Software Foundation; either version 2.1 of the
- License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; see the file COPYING.LIB. If
- not, see <http://www.gnu.org/licenses/>. */
-
-#include <errno.h>
-#include <stdlib.h>
-#include <time.h>
-#include "pthreadP.h"
-
-
-#if HP_TIMING_AVAIL
-int
-__pthread_clock_gettime (clockid_t clock_id, hp_timing_t freq,
- struct timespec *tp)
-{
- hp_timing_t tsc;
-
- /* Get the current counter. */
- HP_TIMING_NOW (tsc);
-
- /* This is the ID of the thread we are looking for. */
- pid_t tid = ((unsigned int) clock_id) >> CLOCK_IDFIELD_SIZE;
-
- /* Compute the offset since the start time of the process. */
- if (tid == 0 || tid == THREAD_GETMEM (THREAD_SELF, tid))
- /* Our own clock. */
- tsc -= THREAD_GETMEM (THREAD_SELF, cpuclock_offset);
- else
- {
- /* This is more complicated. We have to locate the thread based
- on the ID. This means walking the list of existing
- threads. */
- struct pthread *thread = __find_thread_by_id (tid);
- if (thread == NULL)
- {
- __set_errno (EINVAL);
- return -1;
- }
-
- /* There is a race here. The thread might terminate and the stack
- become unusable. But this is the user's problem. */
- tsc -= thread->cpuclock_offset;
- }
-
- /* Compute the seconds. */
- tp->tv_sec = tsc / freq;
-
- /* And the nanoseconds. This computation should be stable until
- we get machines with about 16GHz frequency. */
- tp->tv_nsec = ((tsc % freq) * 1000000000ull) / freq;
-
- return 0;
-}
-#endif